A gigantic computerized air defense system, SAGE (Semi-Automatic Ground Environment) was designed to help the air Force track radar data in real time.

一个巨大的计算机化的防空系统，SAGE (Semi - Automatic Ground Environment半自动地面防空警备系统)旨在帮助空军实时跟踪雷达数据。

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The authors say China will also aim to achieve air superiority by destroying or suppressing enemy ground-based air defense systems and air defense command systems.

作者说，中国也通过摧毁或者抑制敌军地空防御系统或者空防指挥系统来达成其空优态势。

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Troops demand analysis is very important to the operational disposition of ground air defense.

兵力需求分析是地面防空作战部署的重要环节。

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Targets selected by the United States since the air operation began Sunday have included air defense facilities, ground-to-air missile sites, and command and control facilities of Afghanistan's ruling Taliban and the al Qaeda terror network.

CNN: President notifies Congress about troop deployment

The contracts received in the past month range from providing air-to-ground missiles and missile defense systems to light tactical vehicles that can transport troops safely through combat zones.

FORBES: Lockheed's Flurry Of New Contracts Provides Short Term Support